21524340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 64512000

約数和(自身を除く): 42987660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 79, 95, 114, 158, 190, 228, 237, 239, 285, 316, 380, 395, 474, 478, 570, 717, 790, 948, 956, 1140, 1185, 1195, 1434, 1501, 1580, 2370, 2390, 2868, 3002, 3585, 4503, 4541, 4740, 4780, 6004, 7170, 7505, 9006, 9082, 13623, 14340, 15010, 18012, 18164, 18881, 22515, 22705, 27246, 30020, 37762, 45030, 45410, 54492, 56643, 68115, 75524, 90060, 90820, 94405, 113286, 136230, 188810, 226572, 272460, 283215, 358739, 377620, 566430, 717478, 1076217, 1132860, 1434956, 1793695, 2152434, 3587390, 4304868, 5381085, 7174780, 10762170, 21524340]

約数ペア:

[(1, 21524340), (2, 10762170), (3, 7174780), (4, 5381085), (5, 4304868), (6, 3587390), (10, 2152434), (12, 1793695), (15, 1434956), (19, 1132860), (20, 1076217), (30, 717478), (38, 566430), (57, 377620), (60, 358739), (76, 283215), (79, 272460), (95, 226572), (114, 188810), (158, 136230), (190, 113286), (228, 94405), (237, 90820), (239, 90060), (285, 75524), (316, 68115), (380, 56643), (395, 54492), (474, 45410), (478, 45030), (570, 37762), (717, 30020), (790, 27246), (948, 22705), (956, 22515), (1140, 18881), (1185, 18164), (1195, 18012), (1434, 15010), (1501, 14340), (1580, 13623), (2370, 9082), (2390, 9006), (2868, 7505), (3002, 7170), (3585, 6004), (4503, 4780), (4541, 4740)]