21903670530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{135283}}^1$

素因数の和:135560

約数の個数: 96

約数和(自身を含む): 65338925184

約数和(自身を除く): 43435254654

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 257, 315, 514, 630, 771, 1285, 1542, 1799, 2313, 2570, 3598, 3855, 4626, 5397, 7710, 8995, 10794, 11565, 16191, 17990, 23130, 26985, 32382, 53970, 80955, 135283, 161910, 270566, 405849, 676415, 811698, 946981, 1217547, 1352830, 1893962, 2029245, 2435094, 2840943, 4058490, 4734905, 5681886, 6087735, 8522829, 9469810, 12175470, 14204715, 17045658, 28409430, 34767731, 42614145, 69535462, 85228290, 104303193, 173838655, 208606386, 243374117, 312909579, 347677310, 486748234, 521515965, 625819158, 730122351, 1043031930, 1216870585, 1460244702, 1564547895, 2190367053, 2433741170, 3129095790, 3650611755, 4380734106, 7301223510, 10951835265, 21903670530]

約数ペア:

[(1, 21903670530), (2, 10951835265), (3, 7301223510), (5, 4380734106), (6, 3650611755), (7, 3129095790), (9, 2433741170), (10, 2190367053), (14, 1564547895), (15, 1460244702), (18, 1216870585), (21, 1043031930), (30, 730122351), (35, 625819158), (42, 521515965), (45, 486748234), (63, 347677310), (70, 312909579), (90, 243374117), (105, 208606386), (126, 173838655), (210, 104303193), (257, 85228290), (315, 69535462), (514, 42614145), (630, 34767731), (771, 28409430), (1285, 17045658), (1542, 14204715), (1799, 12175470), (2313, 9469810), (2570, 8522829), (3598, 6087735), (3855, 5681886), (4626, 4734905), (5397, 4058490), (7710, 2840943), (8995, 2435094), (10794, 2029245), (11565, 1893962), (16191, 1352830), (17990, 1217547), (23130, 946981), (26985, 811698), (32382, 676415), (53970, 405849), (80955, 270566), (135283, 161910)]