21489421878

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{461}}^1\times {\mathrm{6301}}^1$

素因数の和:6910

約数の個数: 64

約数和(自身を含む): 48214837440

約数和(自身を除く): 26725415562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 461, 822, 922, 1233, 1383, 2466, 2766, 3699, 4149, 6301, 7398, 8298, 12447, 12602, 18903, 24894, 37806, 56709, 63157, 113418, 126314, 170127, 189471, 340254, 378942, 568413, 863237, 1136826, 1705239, 1726474, 2589711, 2904761, 3410478, 5179422, 5809522, 7769133, 8714283, 15538266, 17428566, 23307399, 26142849, 46614798, 52285698, 78428547, 156857094, 397952257, 795904514, 1193856771, 2387713542, 3581570313, 7163140626, 10744710939, 21489421878]

約数ペア:

[(1, 21489421878), (2, 10744710939), (3, 7163140626), (6, 3581570313), (9, 2387713542), (18, 1193856771), (27, 795904514), (54, 397952257), (137, 156857094), (274, 78428547), (411, 52285698), (461, 46614798), (822, 26142849), (922, 23307399), (1233, 17428566), (1383, 15538266), (2466, 8714283), (2766, 7769133), (3699, 5809522), (4149, 5179422), (6301, 3410478), (7398, 2904761), (8298, 2589711), (12447, 1726474), (12602, 1705239), (18903, 1136826), (24894, 863237), (37806, 568413), (56709, 378942), (63157, 340254), (113418, 189471), (126314, 170127)]