21173124

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 59867136

約数和(自身を除く): 38694012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 47, 62, 84, 93, 94, 124, 141, 173, 186, 188, 217, 282, 329, 346, 372, 434, 519, 564, 651, 658, 692, 868, 987, 1038, 1211, 1302, 1316, 1457, 1974, 2076, 2422, 2604, 2914, 3633, 3948, 4371, 4844, 5363, 5828, 7266, 8131, 8742, 10199, 10726, 14532, 16089, 16262, 17484, 20398, 21452, 24393, 30597, 32178, 32524, 37541, 40796, 48786, 56917, 61194, 64356, 75082, 97572, 112623, 113834, 122388, 150164, 170751, 225246, 227668, 252061, 341502, 450492, 504122, 683004, 756183, 1008244, 1512366, 1764427, 3024732, 3528854, 5293281, 7057708, 10586562, 21173124]

約数ペア:

[(1, 21173124), (2, 10586562), (3, 7057708), (4, 5293281), (6, 3528854), (7, 3024732), (12, 1764427), (14, 1512366), (21, 1008244), (28, 756183), (31, 683004), (42, 504122), (47, 450492), (62, 341502), (84, 252061), (93, 227668), (94, 225246), (124, 170751), (141, 150164), (173, 122388), (186, 113834), (188, 112623), (217, 97572), (282, 75082), (329, 64356), (346, 61194), (372, 56917), (434, 48786), (519, 40796), (564, 37541), (651, 32524), (658, 32178), (692, 30597), (868, 24393), (987, 21452), (1038, 20398), (1211, 17484), (1302, 16262), (1316, 16089), (1457, 14532), (1974, 10726), (2076, 10199), (2422, 8742), (2604, 8131), (2914, 7266), (3633, 5828), (3948, 5363), (4371, 4844)]