21929710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 23689490

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 59, 62, 109, 110, 118, 155, 218, 295, 310, 341, 545, 590, 649, 682, 1090, 1199, 1298, 1705, 1829, 2398, 3245, 3379, 3410, 3658, 5995, 6431, 6490, 6758, 9145, 11990, 12862, 16895, 18290, 20119, 32155, 33790, 37169, 40238, 64310, 70741, 74338, 100595, 141482, 185845, 199361, 201190, 353705, 371690, 398722, 707410, 996805, 1993610, 2192971, 4385942, 10964855, 21929710]

約数ペア:

[(1, 21929710), (2, 10964855), (5, 4385942), (10, 2192971), (11, 1993610), (22, 996805), (31, 707410), (55, 398722), (59, 371690), (62, 353705), (109, 201190), (110, 199361), (118, 185845), (155, 141482), (218, 100595), (295, 74338), (310, 70741), (341, 64310), (545, 40238), (590, 37169), (649, 33790), (682, 32155), (1090, 20119), (1199, 18290), (1298, 16895), (1705, 12862), (1829, 11990), (2398, 9145), (3245, 6758), (3379, 6490), (3410, 6431), (3658, 5995)]