21955068

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 58146816

約数和(自身を除く): 36191748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 103, 124, 186, 191, 206, 279, 309, 372, 382, 412, 558, 573, 618, 764, 927, 1116, 1146, 1236, 1719, 1854, 2292, 3193, 3438, 3708, 5921, 6386, 6876, 9579, 11842, 12772, 17763, 19158, 19673, 23684, 28737, 35526, 38316, 39346, 53289, 57474, 59019, 71052, 78692, 106578, 114948, 118038, 177057, 213156, 236076, 354114, 609863, 708228, 1219726, 1829589, 2439452, 3659178, 5488767, 7318356, 10977534, 21955068]

約数ペア:

[(1, 21955068), (2, 10977534), (3, 7318356), (4, 5488767), (6, 3659178), (9, 2439452), (12, 1829589), (18, 1219726), (31, 708228), (36, 609863), (62, 354114), (93, 236076), (103, 213156), (124, 177057), (186, 118038), (191, 114948), (206, 106578), (279, 78692), (309, 71052), (372, 59019), (382, 57474), (412, 53289), (558, 39346), (573, 38316), (618, 35526), (764, 28737), (927, 23684), (1116, 19673), (1146, 19158), (1236, 17763), (1719, 12772), (1854, 11842), (2292, 9579), (3193, 6876), (3438, 6386), (3708, 5921)]