21653988

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{593}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 53887680

約数和(自身を除く): 32233692

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 179, 204, 358, 537, 593, 716, 1074, 1186, 1779, 2148, 2372, 3043, 3558, 6086, 7116, 9129, 10081, 12172, 18258, 20162, 30243, 36516, 40324, 60486, 106147, 120972, 212294, 318441, 424588, 636882, 1273764, 1804499, 3608998, 5413497, 7217996, 10826994, 21653988]

約数ペア:

[(1, 21653988), (2, 10826994), (3, 7217996), (4, 5413497), (6, 3608998), (12, 1804499), (17, 1273764), (34, 636882), (51, 424588), (68, 318441), (102, 212294), (179, 120972), (204, 106147), (358, 60486), (537, 40324), (593, 36516), (716, 30243), (1074, 20162), (1186, 18258), (1779, 12172), (2148, 10081), (2372, 9129), (3043, 7116), (3558, 6086)]