21396676

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 24568124

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 79, 119, 158, 238, 316, 476, 553, 569, 1106, 1138, 1343, 2212, 2276, 2686, 3983, 5372, 7966, 9401, 9673, 15932, 18802, 19346, 37604, 38692, 44951, 67711, 89902, 135422, 179804, 270844, 314657, 629314, 764167, 1258628, 1528334, 3056668, 5349169, 10698338, 21396676]

約数ペア:

[(1, 21396676), (2, 10698338), (4, 5349169), (7, 3056668), (14, 1528334), (17, 1258628), (28, 764167), (34, 629314), (68, 314657), (79, 270844), (119, 179804), (158, 135422), (238, 89902), (316, 67711), (476, 44951), (553, 38692), (569, 37604), (1106, 19346), (1138, 18802), (1343, 15932), (2212, 9673), (2276, 9401), (2686, 7966), (3983, 5372)]