21844460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3203}}^1$

素因数の和:3254

約数の個数: 48

約数和(自身を含む): 51674112

約数和(自身を除く): 29829652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3203, 3410, 6406, 6820, 12812, 16015, 32030, 35233, 64060, 70466, 99293, 140932, 176165, 198586, 352330, 397172, 496465, 704660, 992930, 1092223, 1985860, 2184446, 4368892, 5461115, 10922230, 21844460]

約数ペア:

[(1, 21844460), (2, 10922230), (4, 5461115), (5, 4368892), (10, 2184446), (11, 1985860), (20, 1092223), (22, 992930), (31, 704660), (44, 496465), (55, 397172), (62, 352330), (110, 198586), (124, 176165), (155, 140932), (220, 99293), (310, 70466), (341, 64060), (620, 35233), (682, 32030), (1364, 16015), (1705, 12812), (3203, 6820), (3410, 6406)]