21383360

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3517}}^1$

素因数の和:3553

約数の個数: 56

約数和(自身を含む): 53614320

約数和(自身を除く): 32230960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 3517, 6080, 7034, 14068, 17585, 28136, 35170, 56272, 66823, 70340, 112544, 133646, 140680, 225088, 267292, 281360, 334115, 534584, 562720, 668230, 1069168, 1125440, 1336460, 2138336, 2672920, 4276672, 5345840, 10691680, 21383360]

約数ペア:

[(1, 21383360), (2, 10691680), (4, 5345840), (5, 4276672), (8, 2672920), (10, 2138336), (16, 1336460), (19, 1125440), (20, 1069168), (32, 668230), (38, 562720), (40, 534584), (64, 334115), (76, 281360), (80, 267292), (95, 225088), (152, 140680), (160, 133646), (190, 112544), (304, 70340), (320, 66823), (380, 56272), (608, 35170), (760, 28136), (1216, 17585), (1520, 14068), (3040, 7034), (3517, 6080)]