21293418528

素因数分解:

$2^5\times 3^2\times {\mathrm{853}}^1\times {\mathrm{86677}}^1$

素因数の和:87546

約数の個数: 72

約数和(自身を含む): 60624846828

約数和(自身を除く): 39331428300

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 853, 1706, 2559, 3412, 5118, 6824, 7677, 10236, 13648, 15354, 20472, 27296, 30708, 40944, 61416, 81888, 86677, 122832, 173354, 245664, 260031, 346708, 520062, 693416, 780093, 1040124, 1386832, 1560186, 2080248, 2773664, 3120372, 4160496, 6240744, 8320992, 12481488, 24962976, 73935481, 147870962, 221806443, 295741924, 443612886, 591483848, 665419329, 887225772, 1182967696, 1330838658, 1774451544, 2365935392, 2661677316, 3548903088, 5323354632, 7097806176, 10646709264, 21293418528]

約数ペア:

[(1, 21293418528), (2, 10646709264), (3, 7097806176), (4, 5323354632), (6, 3548903088), (8, 2661677316), (9, 2365935392), (12, 1774451544), (16, 1330838658), (18, 1182967696), (24, 887225772), (32, 665419329), (36, 591483848), (48, 443612886), (72, 295741924), (96, 221806443), (144, 147870962), (288, 73935481), (853, 24962976), (1706, 12481488), (2559, 8320992), (3412, 6240744), (5118, 4160496), (6824, 3120372), (7677, 2773664), (10236, 2080248), (13648, 1560186), (15354, 1386832), (20472, 1040124), (27296, 780093), (30708, 693416), (40944, 520062), (61416, 346708), (81888, 260031), (86677, 245664), (122832, 173354)]