21731250

素因数分解:

$2^1\times 3^1\times 5^5\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 96

約数和(自身を含む): 58121280

約数和(自身を除く): 36390030

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 61, 75, 95, 114, 122, 125, 150, 183, 190, 250, 285, 305, 366, 375, 475, 570, 610, 625, 750, 915, 950, 1159, 1250, 1425, 1525, 1830, 1875, 2318, 2375, 2850, 3050, 3125, 3477, 3750, 4575, 4750, 5795, 6250, 6954, 7125, 7625, 9150, 9375, 11590, 11875, 14250, 15250, 17385, 18750, 22875, 23750, 28975, 34770, 35625, 38125, 45750, 57950, 59375, 71250, 76250, 86925, 114375, 118750, 144875, 173850, 178125, 190625, 228750, 289750, 356250, 381250, 434625, 571875, 724375, 869250, 1143750, 1448750, 2173125, 3621875, 4346250, 7243750, 10865625, 21731250]

約数ペア:

[(1, 21731250), (2, 10865625), (3, 7243750), (5, 4346250), (6, 3621875), (10, 2173125), (15, 1448750), (19, 1143750), (25, 869250), (30, 724375), (38, 571875), (50, 434625), (57, 381250), (61, 356250), (75, 289750), (95, 228750), (114, 190625), (122, 178125), (125, 173850), (150, 144875), (183, 118750), (190, 114375), (250, 86925), (285, 76250), (305, 71250), (366, 59375), (375, 57950), (475, 45750), (570, 38125), (610, 35625), (625, 34770), (750, 28975), (915, 23750), (950, 22875), (1159, 18750), (1250, 17385), (1425, 15250), (1525, 14250), (1830, 11875), (1875, 11590), (2318, 9375), (2375, 9150), (2850, 7625), (3050, 7125), (3125, 6954), (3477, 6250), (3750, 5795), (4575, 4750)]