21285096

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 64757760

約数和(自身を除く): 43472664

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 61, 62, 67, 84, 93, 122, 124, 134, 168, 183, 186, 201, 217, 244, 248, 268, 366, 372, 402, 427, 434, 469, 488, 536, 651, 732, 744, 804, 854, 868, 938, 1281, 1302, 1407, 1464, 1608, 1708, 1736, 1876, 1891, 2077, 2562, 2604, 2814, 3416, 3752, 3782, 4087, 4154, 5124, 5208, 5628, 5673, 6231, 7564, 8174, 8308, 10248, 11256, 11346, 12261, 12462, 13237, 14539, 15128, 16348, 16616, 22692, 24522, 24924, 26474, 28609, 29078, 32696, 39711, 43617, 45384, 49044, 49848, 52948, 57218, 58156, 79422, 85827, 87234, 98088, 105896, 114436, 116312, 126697, 158844, 171654, 174468, 228872, 253394, 317688, 343308, 348936, 380091, 506788, 686616, 760182, 886879, 1013576, 1520364, 1773758, 2660637, 3040728, 3547516, 5321274, 7095032, 10642548, 21285096]

約数ペア:

[(1, 21285096), (2, 10642548), (3, 7095032), (4, 5321274), (6, 3547516), (7, 3040728), (8, 2660637), (12, 1773758), (14, 1520364), (21, 1013576), (24, 886879), (28, 760182), (31, 686616), (42, 506788), (56, 380091), (61, 348936), (62, 343308), (67, 317688), (84, 253394), (93, 228872), (122, 174468), (124, 171654), (134, 158844), (168, 126697), (183, 116312), (186, 114436), (201, 105896), (217, 98088), (244, 87234), (248, 85827), (268, 79422), (366, 58156), (372, 57218), (402, 52948), (427, 49848), (434, 49044), (469, 45384), (488, 43617), (536, 39711), (651, 32696), (732, 29078), (744, 28609), (804, 26474), (854, 24924), (868, 24522), (938, 22692), (1281, 16616), (1302, 16348), (1407, 15128), (1464, 14539), (1608, 13237), (1708, 12462), (1736, 12261), (1876, 11346), (1891, 11256), (2077, 10248), (2562, 8308), (2604, 8174), (2814, 7564), (3416, 6231), (3752, 5673), (3782, 5628), (4087, 5208), (4154, 5124)]