21103614735

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1511179}}^1$

素因数の和:1511220

約数の個数: 48

約数和(自身を含む): 41345884800

約数和(自身を除く): 20242270065

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 1511179, 4533537, 7555895, 10578253, 22667685, 28712401, 31734759, 52891265, 74047771, 86137203, 143562005, 158673795, 200986807, 222143313, 370238855, 430686015, 602960421, 1004934035, 1110716565, 1406907649, 3014802105, 4220722947, 7034538245, 21103614735]

約数ペア:

[(1, 21103614735), (3, 7034538245), (5, 4220722947), (7, 3014802105), (15, 1406907649), (19, 1110716565), (21, 1004934035), (35, 602960421), (49, 430686015), (57, 370238855), (95, 222143313), (105, 200986807), (133, 158673795), (147, 143562005), (245, 86137203), (285, 74047771), (399, 52891265), (665, 31734759), (735, 28712401), (931, 22667685), (1995, 10578253), (2793, 7555895), (4655, 4533537), (13965, 1511179)]