21829760

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1483}}^1$

素因数の和:1525

約数の個数: 64

約数和(自身を含む): 54492480

約数和(自身を除く): 32662720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1483, 1840, 2944, 2966, 3680, 5932, 7360, 7415, 11864, 14720, 14830, 23728, 29660, 34109, 47456, 59320, 68218, 94912, 118640, 136436, 170545, 189824, 237280, 272872, 341090, 474560, 545744, 682180, 949120, 1091488, 1364360, 2182976, 2728720, 4365952, 5457440, 10914880, 21829760]

約数ペア:

[(1, 21829760), (2, 10914880), (4, 5457440), (5, 4365952), (8, 2728720), (10, 2182976), (16, 1364360), (20, 1091488), (23, 949120), (32, 682180), (40, 545744), (46, 474560), (64, 341090), (80, 272872), (92, 237280), (115, 189824), (128, 170545), (160, 136436), (184, 118640), (230, 94912), (320, 68218), (368, 59320), (460, 47456), (640, 34109), (736, 29660), (920, 23728), (1472, 14830), (1483, 14720), (1840, 11864), (2944, 7415), (2966, 7360), (3680, 5932)]