21589890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{773}}^1$

素因数の和:816

約数の個数: 96

約数和(自身を含む): 63529920

約数和(自身を除く): 41940030

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 49, 57, 70, 95, 98, 105, 114, 133, 147, 190, 210, 245, 266, 285, 294, 399, 490, 570, 665, 735, 773, 798, 931, 1330, 1470, 1546, 1862, 1995, 2319, 2793, 3865, 3990, 4638, 4655, 5411, 5586, 7730, 9310, 10822, 11595, 13965, 14687, 16233, 23190, 27055, 27930, 29374, 32466, 37877, 44061, 54110, 73435, 75754, 81165, 88122, 102809, 113631, 146870, 162330, 189385, 205618, 220305, 227262, 308427, 378770, 440610, 514045, 568155, 616854, 719663, 1028090, 1136310, 1439326, 1542135, 2158989, 3084270, 3598315, 4317978, 7196630, 10794945, 21589890]

約数ペア:

[(1, 21589890), (2, 10794945), (3, 7196630), (5, 4317978), (6, 3598315), (7, 3084270), (10, 2158989), (14, 1542135), (15, 1439326), (19, 1136310), (21, 1028090), (30, 719663), (35, 616854), (38, 568155), (42, 514045), (49, 440610), (57, 378770), (70, 308427), (95, 227262), (98, 220305), (105, 205618), (114, 189385), (133, 162330), (147, 146870), (190, 113631), (210, 102809), (245, 88122), (266, 81165), (285, 75754), (294, 73435), (399, 54110), (490, 44061), (570, 37877), (665, 32466), (735, 29374), (773, 27930), (798, 27055), (931, 23190), (1330, 16233), (1470, 14687), (1546, 13965), (1862, 11595), (1995, 10822), (2319, 9310), (2793, 7730), (3865, 5586), (3990, 5411), (4638, 4655)]