21356064

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2557}}^1$

素因数の和:2602

約数の個数: 72

約数和(自身を含む): 62850060

約数和(自身を除く): 41493996

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2557, 2784, 4176, 5114, 7671, 8352, 10228, 15342, 20456, 23013, 30684, 40912, 46026, 61368, 74153, 81824, 92052, 122736, 148306, 184104, 222459, 245472, 296612, 368208, 444918, 593224, 667377, 736416, 889836, 1186448, 1334754, 1779672, 2372896, 2669508, 3559344, 5339016, 7118688, 10678032, 21356064]

約数ペア:

[(1, 21356064), (2, 10678032), (3, 7118688), (4, 5339016), (6, 3559344), (8, 2669508), (9, 2372896), (12, 1779672), (16, 1334754), (18, 1186448), (24, 889836), (29, 736416), (32, 667377), (36, 593224), (48, 444918), (58, 368208), (72, 296612), (87, 245472), (96, 222459), (116, 184104), (144, 148306), (174, 122736), (232, 92052), (261, 81824), (288, 74153), (348, 61368), (464, 46026), (522, 40912), (696, 30684), (928, 23013), (1044, 20456), (1392, 15342), (2088, 10228), (2557, 8352), (2784, 7671), (4176, 5114)]