21668256

素因数分解:

$2^5\times 3^3\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:859

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 43650144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 72, 93, 96, 108, 124, 144, 186, 216, 248, 279, 288, 372, 432, 496, 558, 744, 809, 837, 864, 992, 1116, 1488, 1618, 1674, 2232, 2427, 2976, 3236, 3348, 4464, 4854, 6472, 6696, 7281, 8928, 9708, 12944, 13392, 14562, 19416, 21843, 25079, 25888, 26784, 29124, 38832, 43686, 50158, 58248, 75237, 77664, 87372, 100316, 116496, 150474, 174744, 200632, 225711, 232992, 300948, 349488, 401264, 451422, 601896, 677133, 698976, 802528, 902844, 1203792, 1354266, 1805688, 2407584, 2708532, 3611376, 5417064, 7222752, 10834128, 21668256]

約数ペア:

[(1, 21668256), (2, 10834128), (3, 7222752), (4, 5417064), (6, 3611376), (8, 2708532), (9, 2407584), (12, 1805688), (16, 1354266), (18, 1203792), (24, 902844), (27, 802528), (31, 698976), (32, 677133), (36, 601896), (48, 451422), (54, 401264), (62, 349488), (72, 300948), (93, 232992), (96, 225711), (108, 200632), (124, 174744), (144, 150474), (186, 116496), (216, 100316), (248, 87372), (279, 77664), (288, 75237), (372, 58248), (432, 50158), (496, 43686), (558, 38832), (744, 29124), (809, 26784), (837, 25888), (864, 25079), (992, 21843), (1116, 19416), (1488, 14562), (1618, 13392), (1674, 12944), (2232, 9708), (2427, 8928), (2976, 7281), (3236, 6696), (3348, 6472), (4464, 4854)]