21654062460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{16889}}^1$

素因数の和:17340

約数の個数: 144

約数和(自身を含む): 69717866400

約数和(自身を除く): 48063803940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 419, 510, 612, 765, 838, 1020, 1257, 1530, 1676, 2095, 2514, 3060, 3771, 4190, 5028, 6285, 7123, 7542, 8380, 12570, 14246, 15084, 16889, 18855, 21369, 25140, 28492, 33778, 35615, 37710, 42738, 50667, 64107, 67556, 71230, 75420, 84445, 85476, 101334, 106845, 128214, 142460, 152001, 168890, 202668, 213690, 253335, 256428, 287113, 304002, 320535, 337780, 427380, 506670, 574226, 608004, 641070, 760005, 861339, 1013340, 1148452, 1282140, 1435565, 1520010, 1722678, 2584017, 2871130, 3040020, 3445356, 4306695, 5168034, 5742260, 7076491, 8613390, 10336068, 12920085, 14152982, 17226780, 21229473, 25840170, 28305964, 35382455, 42458946, 51680340, 63688419, 70764910, 84917892, 106147365, 120300347, 127376838, 141529820, 212294730, 240600694, 254753676, 318442095, 360901041, 424589460, 481201388, 601501735, 636884190, 721802082, 1082703123, 1203003470, 1273768380, 1443604164, 1804505205, 2165406246, 2406006940, 3609010410, 4330812492, 5413515615, 7218020820, 10827031230, 21654062460]

約数ペア:

[(1, 21654062460), (2, 10827031230), (3, 7218020820), (4, 5413515615), (5, 4330812492), (6, 3609010410), (9, 2406006940), (10, 2165406246), (12, 1804505205), (15, 1443604164), (17, 1273768380), (18, 1203003470), (20, 1082703123), (30, 721802082), (34, 636884190), (36, 601501735), (45, 481201388), (51, 424589460), (60, 360901041), (68, 318442095), (85, 254753676), (90, 240600694), (102, 212294730), (153, 141529820), (170, 127376838), (180, 120300347), (204, 106147365), (255, 84917892), (306, 70764910), (340, 63688419), (419, 51680340), (510, 42458946), (612, 35382455), (765, 28305964), (838, 25840170), (1020, 21229473), (1257, 17226780), (1530, 14152982), (1676, 12920085), (2095, 10336068), (2514, 8613390), (3060, 7076491), (3771, 5742260), (4190, 5168034), (5028, 4306695), (6285, 3445356), (7123, 3040020), (7542, 2871130), (8380, 2584017), (12570, 1722678), (14246, 1520010), (15084, 1435565), (16889, 1282140), (18855, 1148452), (21369, 1013340), (25140, 861339), (28492, 760005), (33778, 641070), (35615, 608004), (37710, 574226), (42738, 506670), (50667, 427380), (64107, 337780), (67556, 320535), (71230, 304002), (75420, 287113), (84445, 256428), (85476, 253335), (101334, 213690), (106845, 202668), (128214, 168890), (142460, 152001)]