21128360976

素因数分解:

$2^4\times 3^3\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{4759}}^1$

素因数の和:5058

約数の個数: 160

約数和(自身を含む): 62329344000

約数和(自身を除く): 41200983024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 86, 108, 129, 144, 172, 216, 239, 258, 344, 387, 432, 478, 516, 688, 717, 774, 956, 1032, 1161, 1434, 1548, 1912, 2064, 2151, 2322, 2868, 3096, 3824, 4302, 4644, 4759, 5736, 6192, 6453, 8604, 9288, 9518, 10277, 11472, 12906, 14277, 17208, 18576, 19036, 20554, 25812, 28554, 30831, 34416, 38072, 41108, 42831, 51624, 57108, 61662, 76144, 82216, 85662, 92493, 103248, 114216, 123324, 128493, 164432, 171324, 184986, 204637, 228432, 246648, 256986, 277479, 342648, 369972, 409274, 493296, 513972, 554958, 613911, 685296, 739944, 818548, 1027944, 1109916, 1137401, 1227822, 1479888, 1637096, 1841733, 2055888, 2219832, 2274802, 2455644, 3274192, 3412203, 3683466, 4439664, 4549604, 4911288, 5525199, 6824406, 7366932, 9099208, 9822576, 10236609, 11050398, 13648812, 14733864, 18198416, 20473218, 22100796, 27297624, 29467728, 30709827, 40946436, 44201592, 48908243, 54595248, 61419654, 81892872, 88403184, 97816486, 122839308, 146724729, 163785744, 195632972, 245678616, 293449458, 391265944, 440174187, 491357232, 586898916, 782531888, 880348374, 1173797832, 1320522561, 1760696748, 2347595664, 2641045122, 3521393496, 5282090244, 7042786992, 10564180488, 21128360976]

約数ペア:

[(1, 21128360976), (2, 10564180488), (3, 7042786992), (4, 5282090244), (6, 3521393496), (8, 2641045122), (9, 2347595664), (12, 1760696748), (16, 1320522561), (18, 1173797832), (24, 880348374), (27, 782531888), (36, 586898916), (43, 491357232), (48, 440174187), (54, 391265944), (72, 293449458), (86, 245678616), (108, 195632972), (129, 163785744), (144, 146724729), (172, 122839308), (216, 97816486), (239, 88403184), (258, 81892872), (344, 61419654), (387, 54595248), (432, 48908243), (478, 44201592), (516, 40946436), (688, 30709827), (717, 29467728), (774, 27297624), (956, 22100796), (1032, 20473218), (1161, 18198416), (1434, 14733864), (1548, 13648812), (1912, 11050398), (2064, 10236609), (2151, 9822576), (2322, 9099208), (2868, 7366932), (3096, 6824406), (3824, 5525199), (4302, 4911288), (4644, 4549604), (4759, 4439664), (5736, 3683466), (6192, 3412203), (6453, 3274192), (8604, 2455644), (9288, 2274802), (9518, 2219832), (10277, 2055888), (11472, 1841733), (12906, 1637096), (14277, 1479888), (17208, 1227822), (18576, 1137401), (19036, 1109916), (20554, 1027944), (25812, 818548), (28554, 739944), (30831, 685296), (34416, 613911), (38072, 554958), (41108, 513972), (42831, 493296), (51624, 409274), (57108, 369972), (61662, 342648), (76144, 277479), (82216, 256986), (85662, 246648), (92493, 228432), (103248, 204637), (114216, 184986), (123324, 171324), (128493, 164432)]