21413028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19609}}^1$

素因数の和:19636

約数の個数: 48

約数和(自身を含む): 61496960

約数和(自身を除く): 40083932

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19609, 39218, 58827, 78436, 117654, 137263, 235308, 254917, 274526, 411789, 509834, 549052, 764751, 823578, 1019668, 1529502, 1647156, 1784419, 3059004, 3568838, 5353257, 7137676, 10706514, 21413028]

約数ペア:

[(1, 21413028), (2, 10706514), (3, 7137676), (4, 5353257), (6, 3568838), (7, 3059004), (12, 1784419), (13, 1647156), (14, 1529502), (21, 1019668), (26, 823578), (28, 764751), (39, 549052), (42, 509834), (52, 411789), (78, 274526), (84, 254917), (91, 235308), (156, 137263), (182, 117654), (273, 78436), (364, 58827), (546, 39218), (1092, 19609)]