21579012

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{941}}^1$

素因数の和:978

約数の個数: 108

約数和(自身を含む): 68406156

約数和(自身を除く): 46827144

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 819, 882, 941, 1092, 1274, 1638, 1764, 1882, 1911, 2548, 2823, 3276, 3764, 3822, 5646, 5733, 6587, 7644, 8469, 11292, 11466, 12233, 13174, 16938, 19761, 22932, 24466, 26348, 33876, 36699, 39522, 46109, 48932, 59283, 73398, 79044, 85631, 92218, 110097, 118566, 138327, 146796, 171262, 184436, 220194, 237132, 256893, 276654, 342524, 414981, 440388, 513786, 553308, 599417, 770679, 829962, 1027572, 1198834, 1541358, 1659924, 1798251, 2397668, 3082716, 3596502, 5394753, 7193004, 10789506, 21579012]

約数ペア:

[(1, 21579012), (2, 10789506), (3, 7193004), (4, 5394753), (6, 3596502), (7, 3082716), (9, 2397668), (12, 1798251), (13, 1659924), (14, 1541358), (18, 1198834), (21, 1027572), (26, 829962), (28, 770679), (36, 599417), (39, 553308), (42, 513786), (49, 440388), (52, 414981), (63, 342524), (78, 276654), (84, 256893), (91, 237132), (98, 220194), (117, 184436), (126, 171262), (147, 146796), (156, 138327), (182, 118566), (196, 110097), (234, 92218), (252, 85631), (273, 79044), (294, 73398), (364, 59283), (441, 48932), (468, 46109), (546, 39522), (588, 36699), (637, 33876), (819, 26348), (882, 24466), (941, 22932), (1092, 19761), (1274, 16938), (1638, 13174), (1764, 12233), (1882, 11466), (1911, 11292), (2548, 8469), (2823, 7644), (3276, 6587), (3764, 5733), (3822, 5646)]