21919560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14051}}^1$

素因数の和:14078

約数の個数: 64

約数和(自身を含む): 70822080

約数和(自身を除く): 48902520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 14051, 28102, 42153, 56204, 70255, 84306, 112408, 140510, 168612, 182663, 210765, 281020, 337224, 365326, 421530, 547989, 562040, 730652, 843060, 913315, 1095978, 1461304, 1686120, 1826630, 2191956, 2739945, 3653260, 4383912, 5479890, 7306520, 10959780, 21919560]

約数ペア:

[(1, 21919560), (2, 10959780), (3, 7306520), (4, 5479890), (5, 4383912), (6, 3653260), (8, 2739945), (10, 2191956), (12, 1826630), (13, 1686120), (15, 1461304), (20, 1095978), (24, 913315), (26, 843060), (30, 730652), (39, 562040), (40, 547989), (52, 421530), (60, 365326), (65, 337224), (78, 281020), (104, 210765), (120, 182663), (130, 168612), (156, 140510), (195, 112408), (260, 84306), (312, 70255), (390, 56204), (520, 42153), (780, 28102), (1560, 14051)]