21029190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7703}}^1$

素因数の和:7733

約数の個数: 64

約数和(自身を含む): 62125056

約数和(自身を除く): 41095866

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7703, 15406, 23109, 38515, 46218, 53921, 77030, 100139, 107842, 115545, 161763, 200278, 231090, 269605, 300417, 323526, 500695, 539210, 600834, 700973, 808815, 1001390, 1401946, 1502085, 1617630, 2102919, 3004170, 3504865, 4205838, 7009730, 10514595, 21029190]

約数ペア:

[(1, 21029190), (2, 10514595), (3, 7009730), (5, 4205838), (6, 3504865), (7, 3004170), (10, 2102919), (13, 1617630), (14, 1502085), (15, 1401946), (21, 1001390), (26, 808815), (30, 700973), (35, 600834), (39, 539210), (42, 500695), (65, 323526), (70, 300417), (78, 269605), (91, 231090), (105, 200278), (130, 161763), (182, 115545), (195, 107842), (210, 100139), (273, 77030), (390, 53921), (455, 46218), (546, 38515), (910, 23109), (1365, 15406), (2730, 7703)]