21608748

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 64888320

約数和(自身を除く): 43279572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 101, 108, 126, 189, 202, 252, 283, 303, 378, 404, 566, 606, 707, 756, 849, 909, 1132, 1212, 1414, 1698, 1818, 1981, 2121, 2547, 2727, 2828, 3396, 3636, 3962, 4242, 5094, 5454, 5943, 6363, 7641, 7924, 8484, 10188, 10908, 11886, 12726, 15282, 17829, 19089, 23772, 25452, 28583, 30564, 35658, 38178, 53487, 57166, 71316, 76356, 85749, 106974, 114332, 171498, 200081, 213948, 257247, 342996, 400162, 514494, 600243, 771741, 800324, 1028988, 1200486, 1543482, 1800729, 2400972, 3086964, 3601458, 5402187, 7202916, 10804374, 21608748]

約数ペア:

[(1, 21608748), (2, 10804374), (3, 7202916), (4, 5402187), (6, 3601458), (7, 3086964), (9, 2400972), (12, 1800729), (14, 1543482), (18, 1200486), (21, 1028988), (27, 800324), (28, 771741), (36, 600243), (42, 514494), (54, 400162), (63, 342996), (84, 257247), (101, 213948), (108, 200081), (126, 171498), (189, 114332), (202, 106974), (252, 85749), (283, 76356), (303, 71316), (378, 57166), (404, 53487), (566, 38178), (606, 35658), (707, 30564), (756, 28583), (849, 25452), (909, 23772), (1132, 19089), (1212, 17829), (1414, 15282), (1698, 12726), (1818, 11886), (1981, 10908), (2121, 10188), (2547, 8484), (2727, 7924), (2828, 7641), (3396, 6363), (3636, 5943), (3962, 5454), (4242, 5094)]