21014580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4933}}^1$

素因数の和:5016

約数の個数: 48

約数和(自身を含む): 59681664

約数和(自身を除く): 38667084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4933, 9866, 14799, 19732, 24665, 29598, 49330, 59196, 73995, 98660, 147990, 295980, 350243, 700486, 1050729, 1400972, 1751215, 2101458, 3502430, 4202916, 5253645, 7004860, 10507290, 21014580]

約数ペア:

[(1, 21014580), (2, 10507290), (3, 7004860), (4, 5253645), (5, 4202916), (6, 3502430), (10, 2101458), (12, 1751215), (15, 1400972), (20, 1050729), (30, 700486), (60, 350243), (71, 295980), (142, 147990), (213, 98660), (284, 73995), (355, 59196), (426, 49330), (710, 29598), (852, 24665), (1065, 19732), (1420, 14799), (2130, 9866), (4260, 4933)]