21715722

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 58276800

約数和(自身を除く): 36561078

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 49, 54, 58, 63, 87, 98, 126, 147, 174, 189, 203, 261, 283, 294, 378, 406, 441, 522, 566, 609, 783, 849, 882, 1218, 1323, 1421, 1566, 1698, 1827, 1981, 2547, 2646, 2842, 3654, 3962, 4263, 5094, 5481, 5943, 7641, 8207, 8526, 10962, 11886, 12789, 13867, 15282, 16414, 17829, 24621, 25578, 27734, 35658, 38367, 41601, 49242, 53487, 57449, 73863, 76734, 83202, 106974, 114898, 124803, 147726, 172347, 221589, 249606, 344694, 374409, 402143, 443178, 517041, 748818, 804286, 1034082, 1206429, 1551123, 2412858, 3102246, 3619287, 7238574, 10857861, 21715722]

約数ペア:

[(1, 21715722), (2, 10857861), (3, 7238574), (6, 3619287), (7, 3102246), (9, 2412858), (14, 1551123), (18, 1206429), (21, 1034082), (27, 804286), (29, 748818), (42, 517041), (49, 443178), (54, 402143), (58, 374409), (63, 344694), (87, 249606), (98, 221589), (126, 172347), (147, 147726), (174, 124803), (189, 114898), (203, 106974), (261, 83202), (283, 76734), (294, 73863), (378, 57449), (406, 53487), (441, 49242), (522, 41601), (566, 38367), (609, 35658), (783, 27734), (849, 25578), (882, 24621), (1218, 17829), (1323, 16414), (1421, 15282), (1566, 13867), (1698, 12789), (1827, 11886), (1981, 10962), (2547, 8526), (2646, 8207), (2842, 7641), (3654, 5943), (3962, 5481), (4263, 5094)]