21909804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 63060480

約数和(自身を除く): 41150676

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 67, 68, 84, 102, 119, 134, 201, 204, 229, 238, 268, 357, 402, 458, 469, 476, 687, 714, 804, 916, 938, 1139, 1374, 1407, 1428, 1603, 1876, 2278, 2748, 2814, 3206, 3417, 3893, 4556, 4809, 5628, 6412, 6834, 7786, 7973, 9618, 11679, 13668, 15343, 15572, 15946, 19236, 23358, 23919, 27251, 30686, 31892, 46029, 46716, 47838, 54502, 61372, 81753, 92058, 95676, 107401, 109004, 163506, 184116, 214802, 260831, 322203, 327012, 429604, 521662, 644406, 782493, 1043324, 1288812, 1564986, 1825817, 3129972, 3651634, 5477451, 7303268, 10954902, 21909804]

約数ペア:

[(1, 21909804), (2, 10954902), (3, 7303268), (4, 5477451), (6, 3651634), (7, 3129972), (12, 1825817), (14, 1564986), (17, 1288812), (21, 1043324), (28, 782493), (34, 644406), (42, 521662), (51, 429604), (67, 327012), (68, 322203), (84, 260831), (102, 214802), (119, 184116), (134, 163506), (201, 109004), (204, 107401), (229, 95676), (238, 92058), (268, 81753), (357, 61372), (402, 54502), (458, 47838), (469, 46716), (476, 46029), (687, 31892), (714, 30686), (804, 27251), (916, 23919), (938, 23358), (1139, 19236), (1374, 15946), (1407, 15572), (1428, 15343), (1603, 13668), (1876, 11679), (2278, 9618), (2748, 7973), (2814, 7786), (3206, 6834), (3417, 6412), (3893, 5628), (4556, 4809)]