21372150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7499}}^1$

素因数の和:7533

約数の個数: 48

約数和(自身を含む): 55800000

約数和(自身を除く): 34427850

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 475, 570, 950, 1425, 2850, 7499, 14998, 22497, 37495, 44994, 74990, 112485, 142481, 187475, 224970, 284962, 374950, 427443, 562425, 712405, 854886, 1124850, 1424810, 2137215, 3562025, 4274430, 7124050, 10686075, 21372150]

約数ペア:

[(1, 21372150), (2, 10686075), (3, 7124050), (5, 4274430), (6, 3562025), (10, 2137215), (15, 1424810), (19, 1124850), (25, 854886), (30, 712405), (38, 562425), (50, 427443), (57, 374950), (75, 284962), (95, 224970), (114, 187475), (150, 142481), (190, 112485), (285, 74990), (475, 44994), (570, 37495), (950, 22497), (1425, 14998), (2850, 7499)]