21958356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15377}}^1$

素因数の和:15408

約数の個数: 48

約数和(自身を含む): 62004096

約数和(自身を除く): 40045740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 15377, 30754, 46131, 61508, 92262, 107639, 184524, 215278, 261409, 322917, 430556, 522818, 645834, 784227, 1045636, 1291668, 1568454, 1829863, 3136908, 3659726, 5489589, 7319452, 10979178, 21958356]

約数ペア:

[(1, 21958356), (2, 10979178), (3, 7319452), (4, 5489589), (6, 3659726), (7, 3136908), (12, 1829863), (14, 1568454), (17, 1291668), (21, 1045636), (28, 784227), (34, 645834), (42, 522818), (51, 430556), (68, 322917), (84, 261409), (102, 215278), (119, 184524), (204, 107639), (238, 92262), (357, 61508), (476, 46131), (714, 30754), (1428, 15377)]