21264512

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 45826560

約数和(自身を除く): 24562048

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 233, 248, 368, 466, 496, 713, 736, 932, 992, 1426, 1472, 1864, 1984, 2852, 2944, 3728, 3968, 5359, 5704, 7223, 7456, 10718, 11408, 14446, 14912, 21436, 22816, 28892, 29824, 42872, 45632, 57784, 85744, 91264, 115568, 166129, 171488, 231136, 332258, 342976, 462272, 664516, 685952, 924544, 1329032, 2658064, 5316128, 10632256, 21264512]

約数ペア:

[(1, 21264512), (2, 10632256), (4, 5316128), (8, 2658064), (16, 1329032), (23, 924544), (31, 685952), (32, 664516), (46, 462272), (62, 342976), (64, 332258), (92, 231136), (124, 171488), (128, 166129), (184, 115568), (233, 91264), (248, 85744), (368, 57784), (466, 45632), (496, 42872), (713, 29824), (736, 28892), (932, 22816), (992, 21436), (1426, 14912), (1472, 14446), (1864, 11408), (1984, 10718), (2852, 7456), (2944, 7223), (3728, 5704), (3968, 5359)]