21167108

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 20201212

約数列:

[1, 2, 4, 17, 34, 37, 47, 68, 74, 94, 148, 179, 188, 358, 629, 716, 799, 1258, 1598, 1739, 2516, 3043, 3196, 3478, 6086, 6623, 6956, 8413, 12172, 13246, 16826, 26492, 29563, 33652, 59126, 112591, 118252, 143021, 225182, 286042, 311281, 450364, 572084, 622562, 1245124, 5291777, 10583554, 21167108]

約数ペア:

[(1, 21167108), (2, 10583554), (4, 5291777), (17, 1245124), (34, 622562), (37, 572084), (47, 450364), (68, 311281), (74, 286042), (94, 225182), (148, 143021), (179, 118252), (188, 112591), (358, 59126), (629, 33652), (716, 29563), (799, 26492), (1258, 16826), (1598, 13246), (1739, 12172), (2516, 8413), (3043, 6956), (3196, 6623), (3478, 6086)]