21713648520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2478727}}^1$

素因数の和:2478814

約数の個数: 64

約数和(自身を含む): 66033313920

約数和(自身を除く): 44319665400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2920, 4380, 8760, 2478727, 4957454, 7436181, 9914908, 12393635, 14872362, 19829816, 24787270, 29744724, 37180905, 49574540, 59489448, 74361810, 99149080, 148723620, 180947071, 297447240, 361894142, 542841213, 723788284, 904735355, 1085682426, 1447576568, 1809470710, 2171364852, 2714206065, 3618941420, 4342729704, 5428412130, 7237882840, 10856824260, 21713648520]

約数ペア:

[(1, 21713648520), (2, 10856824260), (3, 7237882840), (4, 5428412130), (5, 4342729704), (6, 3618941420), (8, 2714206065), (10, 2171364852), (12, 1809470710), (15, 1447576568), (20, 1085682426), (24, 904735355), (30, 723788284), (40, 542841213), (60, 361894142), (73, 297447240), (120, 180947071), (146, 148723620), (219, 99149080), (292, 74361810), (365, 59489448), (438, 49574540), (584, 37180905), (730, 29744724), (876, 24787270), (1095, 19829816), (1460, 14872362), (1752, 12393635), (2190, 9914908), (2920, 7436181), (4380, 4957454), (8760, 2478727)]