21049236

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1097}}^1$

素因数の和:1161

約数の個数: 72

約数和(自身を含む): 58751784

約数和(自身を除く): 37702548

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1066, 1097, 1476, 1599, 2132, 2194, 3198, 3291, 4388, 4797, 6396, 6582, 9594, 9873, 13164, 14261, 19188, 19746, 28522, 39492, 42783, 44977, 57044, 85566, 89954, 128349, 134931, 171132, 179908, 256698, 269862, 404793, 513396, 539724, 584701, 809586, 1169402, 1619172, 1754103, 2338804, 3508206, 5262309, 7016412, 10524618, 21049236]

約数ペア:

[(1, 21049236), (2, 10524618), (3, 7016412), (4, 5262309), (6, 3508206), (9, 2338804), (12, 1754103), (13, 1619172), (18, 1169402), (26, 809586), (36, 584701), (39, 539724), (41, 513396), (52, 404793), (78, 269862), (82, 256698), (117, 179908), (123, 171132), (156, 134931), (164, 128349), (234, 89954), (246, 85566), (369, 57044), (468, 44977), (492, 42783), (533, 39492), (738, 28522), (1066, 19746), (1097, 19188), (1476, 14261), (1599, 13164), (2132, 9873), (2194, 9594), (3198, 6582), (3291, 6396), (4388, 4797)]