21350910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{347}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 58931712

約数和(自身を除く): 37580802

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 293, 347, 586, 694, 879, 1041, 1465, 1735, 1758, 2051, 2082, 2429, 2930, 3470, 4102, 4395, 4858, 5205, 6153, 7287, 8790, 10255, 10410, 12145, 12306, 14574, 20510, 24290, 30765, 36435, 61530, 72870, 101671, 203342, 305013, 508355, 610026, 711697, 1016710, 1423394, 1525065, 2135091, 3050130, 3558485, 4270182, 7116970, 10675455, 21350910]

約数ペア:

[(1, 21350910), (2, 10675455), (3, 7116970), (5, 4270182), (6, 3558485), (7, 3050130), (10, 2135091), (14, 1525065), (15, 1423394), (21, 1016710), (30, 711697), (35, 610026), (42, 508355), (70, 305013), (105, 203342), (210, 101671), (293, 72870), (347, 61530), (586, 36435), (694, 30765), (879, 24290), (1041, 20510), (1465, 14574), (1735, 12306), (1758, 12145), (2051, 10410), (2082, 10255), (2429, 8790), (2930, 7287), (3470, 6153), (4102, 5205), (4395, 4858)]