21951746311

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{569}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 25854242400

約数和(自身を除く): 3902496089

約数列:

[1, 11, 19, 97, 121, 173, 209, 569, 1067, 1843, 1903, 2299, 3287, 6259, 10811, 11737, 16781, 20273, 20933, 36157, 55193, 68849, 98437, 118921, 184591, 223003, 318839, 397727, 607123, 1048667, 1082807, 1308131, 1870303, 2030501, 3507229, 6678353, 9548389, 11535337, 11910877, 20573333, 38579519, 105032279, 126888707, 181419391, 226306663, 1155355069, 1995613301, 21951746311]

約数ペア:

[(1, 21951746311), (11, 1995613301), (19, 1155355069), (97, 226306663), (121, 181419391), (173, 126888707), (209, 105032279), (569, 38579519), (1067, 20573333), (1843, 11910877), (1903, 11535337), (2299, 9548389), (3287, 6678353), (6259, 3507229), (10811, 2030501), (11737, 1870303), (16781, 1308131), (20273, 1082807), (20933, 1048667), (36157, 607123), (55193, 397727), (68849, 318839), (98437, 223003), (118921, 184591)]