21877650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:876

約数の個数: 72

約数和(自身を含む): 59816484

約数和(自身を除く): 37938834

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 61, 75, 90, 122, 150, 183, 225, 305, 366, 450, 549, 610, 797, 915, 1098, 1525, 1594, 1830, 2391, 2745, 3050, 3985, 4575, 4782, 5490, 7173, 7970, 9150, 11955, 13725, 14346, 19925, 23910, 27450, 35865, 39850, 48617, 59775, 71730, 97234, 119550, 145851, 179325, 243085, 291702, 358650, 437553, 486170, 729255, 875106, 1215425, 1458510, 2187765, 2430850, 3646275, 4375530, 7292550, 10938825, 21877650]

約数ペア:

[(1, 21877650), (2, 10938825), (3, 7292550), (5, 4375530), (6, 3646275), (9, 2430850), (10, 2187765), (15, 1458510), (18, 1215425), (25, 875106), (30, 729255), (45, 486170), (50, 437553), (61, 358650), (75, 291702), (90, 243085), (122, 179325), (150, 145851), (183, 119550), (225, 97234), (305, 71730), (366, 59775), (450, 48617), (549, 39850), (610, 35865), (797, 27450), (915, 23910), (1098, 19925), (1525, 14346), (1594, 13725), (1830, 11955), (2391, 9150), (2745, 7970), (3050, 7173), (3985, 5490), (4575, 4782)]