21000455310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1\times {\mathrm{26711}}^1$

素因数の和:27153

約数の個数: 64

約数和(自身を含む): 51235752960

約数和(自身を除く): 30235297650

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 359, 365, 438, 718, 730, 1077, 1095, 1795, 2154, 2190, 3590, 5385, 10770, 26207, 26711, 52414, 53422, 78621, 80133, 131035, 133555, 157242, 160266, 262070, 267110, 393105, 400665, 786210, 801330, 1949903, 3899806, 5849709, 9589249, 9749515, 11699418, 19178498, 19499030, 28767747, 29248545, 47946245, 57535494, 58497090, 95892490, 143838735, 287677470, 700015177, 1400030354, 2100045531, 3500075885, 4200091062, 7000151770, 10500227655, 21000455310]

約数ペア:

[(1, 21000455310), (2, 10500227655), (3, 7000151770), (5, 4200091062), (6, 3500075885), (10, 2100045531), (15, 1400030354), (30, 700015177), (73, 287677470), (146, 143838735), (219, 95892490), (359, 58497090), (365, 57535494), (438, 47946245), (718, 29248545), (730, 28767747), (1077, 19499030), (1095, 19178498), (1795, 11699418), (2154, 9749515), (2190, 9589249), (3590, 5849709), (5385, 3899806), (10770, 1949903), (26207, 801330), (26711, 786210), (52414, 400665), (53422, 393105), (78621, 267110), (80133, 262070), (131035, 160266), (133555, 157242)]