21962240

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:419

約数の個数: 80

約数和(自身を含む): 55094688

約数和(自身を除く): 33132448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 373, 460, 512, 640, 736, 746, 920, 1280, 1472, 1492, 1840, 1865, 2560, 2944, 2984, 3680, 3730, 5888, 5968, 7360, 7460, 8579, 11776, 11936, 14720, 14920, 17158, 23872, 29440, 29840, 34316, 42895, 47744, 58880, 59680, 68632, 85790, 95488, 119360, 137264, 171580, 190976, 238720, 274528, 343160, 477440, 549056, 686320, 954880, 1098112, 1372640, 2196224, 2745280, 4392448, 5490560, 10981120, 21962240]

約数ペア:

[(1, 21962240), (2, 10981120), (4, 5490560), (5, 4392448), (8, 2745280), (10, 2196224), (16, 1372640), (20, 1098112), (23, 954880), (32, 686320), (40, 549056), (46, 477440), (64, 343160), (80, 274528), (92, 238720), (115, 190976), (128, 171580), (160, 137264), (184, 119360), (230, 95488), (256, 85790), (320, 68632), (368, 59680), (373, 58880), (460, 47744), (512, 42895), (640, 34316), (736, 29840), (746, 29440), (920, 23872), (1280, 17158), (1472, 14920), (1492, 14720), (1840, 11936), (1865, 11776), (2560, 8579), (2944, 7460), (2984, 7360), (3680, 5968), (3730, 5888)]