21922053890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{49711}}^1$

素因数の和:49959

約数の個数: 64

約数和(自身を含む): 45528238080

約数和(自身を除く): 23606184190

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 211, 418, 422, 1045, 1055, 2090, 2110, 2321, 4009, 4642, 8018, 11605, 20045, 23210, 40090, 44099, 49711, 88198, 99422, 220495, 248555, 440990, 497110, 546821, 944509, 1093642, 1889018, 2734105, 4722545, 5468210, 9445090, 10389599, 10489021, 20779198, 20978042, 51947995, 52445105, 103895990, 104890210, 115379231, 199291399, 230758462, 398582798, 576896155, 996456995, 1153792310, 1992913990, 2192205389, 4384410778, 10961026945, 21922053890]

約数ペア:

[(1, 21922053890), (2, 10961026945), (5, 4384410778), (10, 2192205389), (11, 1992913990), (19, 1153792310), (22, 996456995), (38, 576896155), (55, 398582798), (95, 230758462), (110, 199291399), (190, 115379231), (209, 104890210), (211, 103895990), (418, 52445105), (422, 51947995), (1045, 20978042), (1055, 20779198), (2090, 10489021), (2110, 10389599), (2321, 9445090), (4009, 5468210), (4642, 4722545), (8018, 2734105), (11605, 1889018), (20045, 1093642), (23210, 944509), (40090, 546821), (44099, 497110), (49711, 440990), (88198, 248555), (99422, 220495)]