21558630100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{421891}}^1$

素因数の和:421985

約数の個数: 72

約数和(自身を含む): 54197933888

約数和(自身を除く): 32639303788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 73, 100, 140, 146, 175, 292, 350, 365, 511, 700, 730, 1022, 1460, 1825, 2044, 2555, 3650, 5110, 7300, 10220, 12775, 25550, 51100, 421891, 843782, 1687564, 2109455, 2953237, 4218910, 5906474, 8437820, 10547275, 11812948, 14766185, 21094550, 29532370, 30798043, 42189100, 59064740, 61596086, 73830925, 123192172, 147661850, 153990215, 215586301, 295323700, 307980430, 431172602, 615960860, 769951075, 862345204, 1077931505, 1539902150, 2155863010, 3079804300, 4311726020, 5389657525, 10779315050, 21558630100]

約数ペア:

[(1, 21558630100), (2, 10779315050), (4, 5389657525), (5, 4311726020), (7, 3079804300), (10, 2155863010), (14, 1539902150), (20, 1077931505), (25, 862345204), (28, 769951075), (35, 615960860), (50, 431172602), (70, 307980430), (73, 295323700), (100, 215586301), (140, 153990215), (146, 147661850), (175, 123192172), (292, 73830925), (350, 61596086), (365, 59064740), (511, 42189100), (700, 30798043), (730, 29532370), (1022, 21094550), (1460, 14766185), (1825, 11812948), (2044, 10547275), (2555, 8437820), (3650, 5906474), (5110, 4218910), (7300, 2953237), (10220, 2109455), (12775, 1687564), (25550, 843782), (51100, 421891)]