21151950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{6131}}^1$

素因数の和:6169

約数の個数: 48

約数和(自身を含む): 54746496

約数和(自身を除く): 33594546

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 6131, 12262, 18393, 30655, 36786, 61310, 91965, 141013, 153275, 183930, 282026, 306550, 423039, 459825, 705065, 846078, 919650, 1410130, 2115195, 3525325, 4230390, 7050650, 10575975, 21151950]

約数ペア:

[(1, 21151950), (2, 10575975), (3, 7050650), (5, 4230390), (6, 3525325), (10, 2115195), (15, 1410130), (23, 919650), (25, 846078), (30, 705065), (46, 459825), (50, 423039), (69, 306550), (75, 282026), (115, 183930), (138, 153275), (150, 141013), (230, 91965), (345, 61310), (575, 36786), (690, 30655), (1150, 18393), (1725, 12262), (3450, 6131)]