21222528

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{3251}}^1$

素因数の和:3285

約数の個数: 64

約数和(自身を含む): 59706720

約数和(自身を除く): 38484192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 272, 384, 408, 544, 816, 1088, 1632, 2176, 3251, 3264, 6502, 6528, 9753, 13004, 19506, 26008, 39012, 52016, 55267, 78024, 104032, 110534, 156048, 165801, 208064, 221068, 312096, 331602, 416128, 442136, 624192, 663204, 884272, 1248384, 1326408, 1768544, 2652816, 3537088, 5305632, 7074176, 10611264, 21222528]

約数ペア:

[(1, 21222528), (2, 10611264), (3, 7074176), (4, 5305632), (6, 3537088), (8, 2652816), (12, 1768544), (16, 1326408), (17, 1248384), (24, 884272), (32, 663204), (34, 624192), (48, 442136), (51, 416128), (64, 331602), (68, 312096), (96, 221068), (102, 208064), (128, 165801), (136, 156048), (192, 110534), (204, 104032), (272, 78024), (384, 55267), (408, 52016), (544, 39012), (816, 26008), (1088, 19506), (1632, 13004), (2176, 9753), (3251, 6528), (3264, 6502)]