21100890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 53934336

約数和(自身を除く): 32833446

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 53, 69, 106, 115, 138, 159, 230, 265, 318, 345, 530, 577, 690, 795, 1154, 1219, 1590, 1731, 2438, 2885, 3462, 3657, 5770, 6095, 7314, 8655, 12190, 13271, 17310, 18285, 26542, 30581, 36570, 39813, 61162, 66355, 79626, 91743, 132710, 152905, 183486, 199065, 305810, 398130, 458715, 703363, 917430, 1406726, 2110089, 3516815, 4220178, 7033630, 10550445, 21100890]

約数ペア:

[(1, 21100890), (2, 10550445), (3, 7033630), (5, 4220178), (6, 3516815), (10, 2110089), (15, 1406726), (23, 917430), (30, 703363), (46, 458715), (53, 398130), (69, 305810), (106, 199065), (115, 183486), (138, 152905), (159, 132710), (230, 91743), (265, 79626), (318, 66355), (345, 61162), (530, 39813), (577, 36570), (690, 30581), (795, 26542), (1154, 18285), (1219, 17310), (1590, 13271), (1731, 12190), (2438, 8655), (2885, 7314), (3462, 6095), (3657, 5770)]