21549612

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 59473344

約数和(自身を除く): 37923732

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 67, 84, 98, 134, 147, 196, 201, 268, 294, 402, 469, 547, 588, 804, 938, 1094, 1407, 1641, 1876, 2188, 2814, 3282, 3283, 3829, 5628, 6564, 6566, 7658, 9849, 11487, 13132, 15316, 19698, 22974, 26803, 36649, 39396, 45948, 53606, 73298, 80409, 107212, 109947, 146596, 160818, 219894, 256543, 321636, 439788, 513086, 769629, 1026172, 1539258, 1795801, 3078516, 3591602, 5387403, 7183204, 10774806, 21549612]

約数ペア:

[(1, 21549612), (2, 10774806), (3, 7183204), (4, 5387403), (6, 3591602), (7, 3078516), (12, 1795801), (14, 1539258), (21, 1026172), (28, 769629), (42, 513086), (49, 439788), (67, 321636), (84, 256543), (98, 219894), (134, 160818), (147, 146596), (196, 109947), (201, 107212), (268, 80409), (294, 73298), (402, 53606), (469, 45948), (547, 39396), (588, 36649), (804, 26803), (938, 22974), (1094, 19698), (1407, 15316), (1641, 13132), (1876, 11487), (2188, 9849), (2814, 7658), (3282, 6566), (3283, 6564), (3829, 5628)]