21230736

素因数分解:

$2^4\times 3^1\times {\mathrm{73}}^2\times {\mathrm{83}}^1$

素因数の和:240

約数の個数: 60

約数和(自身を含む): 56277648

約数和(自身を除く): 35046912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 73, 83, 146, 166, 219, 249, 292, 332, 438, 498, 584, 664, 876, 996, 1168, 1328, 1752, 1992, 3504, 3984, 5329, 6059, 10658, 12118, 15987, 18177, 21316, 24236, 31974, 36354, 42632, 48472, 63948, 72708, 85264, 96944, 127896, 145416, 255792, 290832, 442307, 884614, 1326921, 1769228, 2653842, 3538456, 5307684, 7076912, 10615368, 21230736]

約数ペア:

[(1, 21230736), (2, 10615368), (3, 7076912), (4, 5307684), (6, 3538456), (8, 2653842), (12, 1769228), (16, 1326921), (24, 884614), (48, 442307), (73, 290832), (83, 255792), (146, 145416), (166, 127896), (219, 96944), (249, 85264), (292, 72708), (332, 63948), (438, 48472), (498, 42632), (584, 36354), (664, 31974), (876, 24236), (996, 21316), (1168, 18177), (1328, 15987), (1752, 12118), (1992, 10658), (3504, 6059), (3984, 5329)]