21310920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59197}}^1$

素因数の和:59214

約数の個数: 48

約数和(自身を含む): 69261660

約数和(自身を除く): 47950740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59197, 118394, 177591, 236788, 295985, 355182, 473576, 532773, 591970, 710364, 887955, 1065546, 1183940, 1420728, 1775910, 2131092, 2367880, 2663865, 3551820, 4262184, 5327730, 7103640, 10655460, 21310920]

約数ペア:

[(1, 21310920), (2, 10655460), (3, 7103640), (4, 5327730), (5, 4262184), (6, 3551820), (8, 2663865), (9, 2367880), (10, 2131092), (12, 1775910), (15, 1420728), (18, 1183940), (20, 1065546), (24, 887955), (30, 710364), (36, 591970), (40, 532773), (45, 473576), (60, 355182), (72, 295985), (90, 236788), (120, 177591), (180, 118394), (360, 59197)]