21811842

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{10357}}^1$

素因数の和:10384

約数の個数: 40

約数和(自身を含む): 52639356

約数和(自身を除く): 30827514

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 10357, 20714, 31071, 62142, 93213, 134641, 186426, 269282, 279639, 403923, 559278, 807846, 838917, 1211769, 1677834, 2423538, 3635307, 7270614, 10905921, 21811842]

約数ペア:

[(1, 21811842), (2, 10905921), (3, 7270614), (6, 3635307), (9, 2423538), (13, 1677834), (18, 1211769), (26, 838917), (27, 807846), (39, 559278), (54, 403923), (78, 279639), (81, 269282), (117, 186426), (162, 134641), (234, 93213), (351, 62142), (702, 31071), (1053, 20714), (2106, 10357)]