21732650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 42184800

約数和(自身を除く): 20452150

約数列:

[1, 2, 5, 10, 25, 50, 53, 59, 106, 118, 139, 265, 278, 295, 530, 590, 695, 1325, 1390, 1475, 2650, 2950, 3127, 3475, 6254, 6950, 7367, 8201, 14734, 15635, 16402, 31270, 36835, 41005, 73670, 78175, 82010, 156350, 184175, 205025, 368350, 410050, 434653, 869306, 2173265, 4346530, 10866325, 21732650]

約数ペア:

[(1, 21732650), (2, 10866325), (5, 4346530), (10, 2173265), (25, 869306), (50, 434653), (53, 410050), (59, 368350), (106, 205025), (118, 184175), (139, 156350), (265, 82010), (278, 78175), (295, 73670), (530, 41005), (590, 36835), (695, 31270), (1325, 16402), (1390, 15635), (1475, 14734), (2650, 8201), (2950, 7367), (3127, 6950), (3475, 6254)]