21737900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 52652880

約数和(自身を除く): 30914980

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 646, 673, 850, 950, 1292, 1346, 1615, 1700, 1900, 2692, 3230, 3365, 6460, 6730, 8075, 11441, 12787, 13460, 16150, 16825, 22882, 25574, 32300, 33650, 45764, 51148, 57205, 63935, 67300, 114410, 127870, 217379, 228820, 255740, 286025, 319675, 434758, 572050, 639350, 869516, 1086895, 1144100, 1278700, 2173790, 4347580, 5434475, 10868950, 21737900]

約数ペア:

[(1, 21737900), (2, 10868950), (4, 5434475), (5, 4347580), (10, 2173790), (17, 1278700), (19, 1144100), (20, 1086895), (25, 869516), (34, 639350), (38, 572050), (50, 434758), (68, 319675), (76, 286025), (85, 255740), (95, 228820), (100, 217379), (170, 127870), (190, 114410), (323, 67300), (340, 63935), (380, 57205), (425, 51148), (475, 45764), (646, 33650), (673, 32300), (850, 25574), (950, 22882), (1292, 16825), (1346, 16150), (1615, 13460), (1700, 12787), (1900, 11441), (2692, 8075), (3230, 6730), (3365, 6460)]