21560838780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{33587}}^1$

素因数の和:34435

約数の個数: 96

約数和(自身を含む): 65095156224

約数和(自身を除く): 43534317444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 823, 1646, 2469, 3292, 4115, 4938, 8230, 9876, 10699, 12345, 16460, 21398, 24690, 32097, 33587, 42796, 49380, 53495, 64194, 67174, 100761, 106990, 128388, 134348, 160485, 167935, 201522, 213980, 320970, 335870, 403044, 436631, 503805, 641940, 671740, 873262, 1007610, 1309893, 1746524, 2015220, 2183155, 2619786, 4366310, 5239572, 6549465, 8732620, 13098930, 26197860, 27642101, 55284202, 82926303, 110568404, 138210505, 165852606, 276421010, 331705212, 359347313, 414631515, 552842020, 718694626, 829263030, 1078041939, 1437389252, 1658526060, 1796736565, 2156083878, 3593473130, 4312167756, 5390209695, 7186946260, 10780419390, 21560838780]

約数ペア:

[(1, 21560838780), (2, 10780419390), (3, 7186946260), (4, 5390209695), (5, 4312167756), (6, 3593473130), (10, 2156083878), (12, 1796736565), (13, 1658526060), (15, 1437389252), (20, 1078041939), (26, 829263030), (30, 718694626), (39, 552842020), (52, 414631515), (60, 359347313), (65, 331705212), (78, 276421010), (130, 165852606), (156, 138210505), (195, 110568404), (260, 82926303), (390, 55284202), (780, 27642101), (823, 26197860), (1646, 13098930), (2469, 8732620), (3292, 6549465), (4115, 5239572), (4938, 4366310), (8230, 2619786), (9876, 2183155), (10699, 2015220), (12345, 1746524), (16460, 1309893), (21398, 1007610), (24690, 873262), (32097, 671740), (33587, 641940), (42796, 503805), (49380, 436631), (53495, 403044), (64194, 335870), (67174, 320970), (100761, 213980), (106990, 201522), (128388, 167935), (134348, 160485)]