21312300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3739}}^1$

素因数の和:3775

約数の個数: 72

約数和(自身を含む): 64926400

約数和(自身を除く): 43614100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 228, 285, 300, 380, 475, 570, 950, 1140, 1425, 1900, 2850, 3739, 5700, 7478, 11217, 14956, 18695, 22434, 37390, 44868, 56085, 71041, 74780, 93475, 112170, 142082, 186950, 213123, 224340, 280425, 284164, 355205, 373900, 426246, 560850, 710410, 852492, 1065615, 1121700, 1420820, 1776025, 2131230, 3552050, 4262460, 5328075, 7104100, 10656150, 21312300]

約数ペア:

[(1, 21312300), (2, 10656150), (3, 7104100), (4, 5328075), (5, 4262460), (6, 3552050), (10, 2131230), (12, 1776025), (15, 1420820), (19, 1121700), (20, 1065615), (25, 852492), (30, 710410), (38, 560850), (50, 426246), (57, 373900), (60, 355205), (75, 284164), (76, 280425), (95, 224340), (100, 213123), (114, 186950), (150, 142082), (190, 112170), (228, 93475), (285, 74780), (300, 71041), (380, 56085), (475, 44868), (570, 37390), (950, 22434), (1140, 18695), (1425, 14956), (1900, 11217), (2850, 7478), (3739, 5700)]