21853524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 64705536

約数和(自身を除く): 42852012

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 67, 77, 84, 132, 134, 154, 201, 231, 268, 308, 353, 402, 462, 469, 706, 737, 804, 924, 938, 1059, 1407, 1412, 1474, 1876, 2118, 2211, 2471, 2814, 2948, 3883, 4236, 4422, 4942, 5159, 5628, 7413, 7766, 8844, 9884, 10318, 11649, 14826, 15477, 15532, 20636, 23298, 23651, 27181, 29652, 30954, 46596, 47302, 54362, 61908, 70953, 81543, 94604, 108724, 141906, 163086, 165557, 260161, 283812, 326172, 331114, 496671, 520322, 662228, 780483, 993342, 1040644, 1560966, 1821127, 1986684, 3121932, 3642254, 5463381, 7284508, 10926762, 21853524]

約数ペア:

[(1, 21853524), (2, 10926762), (3, 7284508), (4, 5463381), (6, 3642254), (7, 3121932), (11, 1986684), (12, 1821127), (14, 1560966), (21, 1040644), (22, 993342), (28, 780483), (33, 662228), (42, 520322), (44, 496671), (66, 331114), (67, 326172), (77, 283812), (84, 260161), (132, 165557), (134, 163086), (154, 141906), (201, 108724), (231, 94604), (268, 81543), (308, 70953), (353, 61908), (402, 54362), (462, 47302), (469, 46596), (706, 30954), (737, 29652), (804, 27181), (924, 23651), (938, 23298), (1059, 20636), (1407, 15532), (1412, 15477), (1474, 14826), (1876, 11649), (2118, 10318), (2211, 9884), (2471, 8844), (2814, 7766), (2948, 7413), (3883, 5628), (4236, 5159), (4422, 4942)]