21622260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^2$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 66413088

約数和(自身を除く): 44790828

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 181, 220, 330, 362, 543, 660, 724, 905, 1086, 1810, 1991, 2172, 2715, 3620, 3982, 5430, 5973, 7964, 9955, 10860, 11946, 19910, 23892, 29865, 32761, 39820, 59730, 65522, 98283, 119460, 131044, 163805, 196566, 327610, 360371, 393132, 491415, 655220, 720742, 982830, 1081113, 1441484, 1801855, 1965660, 2162226, 3603710, 4324452, 5405565, 7207420, 10811130, 21622260]

約数ペア:

[(1, 21622260), (2, 10811130), (3, 7207420), (4, 5405565), (5, 4324452), (6, 3603710), (10, 2162226), (11, 1965660), (12, 1801855), (15, 1441484), (20, 1081113), (22, 982830), (30, 720742), (33, 655220), (44, 491415), (55, 393132), (60, 360371), (66, 327610), (110, 196566), (132, 163805), (165, 131044), (181, 119460), (220, 98283), (330, 65522), (362, 59730), (543, 39820), (660, 32761), (724, 29865), (905, 23892), (1086, 19910), (1810, 11946), (1991, 10860), (2172, 9955), (2715, 7964), (3620, 5973), (3982, 5430)]