21167357968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1\times {\mathrm{6907}}^1$

素因数の和:7544

約数の個数: 80

約数和(自身を含む): 45793408320

約数和(自身を除く): 24626050352

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 593, 646, 1186, 1292, 2372, 2584, 4744, 5168, 6907, 9488, 10081, 11267, 13814, 20162, 22534, 27628, 40324, 45068, 55256, 80648, 90136, 110512, 117419, 131233, 161296, 180272, 191539, 234838, 262466, 383078, 469676, 524932, 766156, 939352, 1049864, 1532312, 1878704, 2099728, 2230961, 3064624, 4095851, 4461922, 8191702, 8923844, 16383404, 17847688, 32766808, 35695376, 65533616, 69629467, 77821169, 139258934, 155642338, 278517868, 311284676, 557035736, 622569352, 1114071472, 1245138704, 1322959873, 2645919746, 5291839492, 10583678984, 21167357968]

約数ペア:

[(1, 21167357968), (2, 10583678984), (4, 5291839492), (8, 2645919746), (16, 1322959873), (17, 1245138704), (19, 1114071472), (34, 622569352), (38, 557035736), (68, 311284676), (76, 278517868), (136, 155642338), (152, 139258934), (272, 77821169), (304, 69629467), (323, 65533616), (593, 35695376), (646, 32766808), (1186, 17847688), (1292, 16383404), (2372, 8923844), (2584, 8191702), (4744, 4461922), (5168, 4095851), (6907, 3064624), (9488, 2230961), (10081, 2099728), (11267, 1878704), (13814, 1532312), (20162, 1049864), (22534, 939352), (27628, 766156), (40324, 524932), (45068, 469676), (55256, 383078), (80648, 262466), (90136, 234838), (110512, 191539), (117419, 180272), (131233, 161296)]