21768840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3557}}^1$

素因数の和:3591

約数の個数: 96

約数和(自身を含む): 74931480

約数和(自身を除く): 53162640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 3557, 6120, 7114, 10671, 14228, 17785, 21342, 28456, 32013, 35570, 42684, 53355, 60469, 64026, 71140, 85368, 106710, 120938, 128052, 142280, 160065, 181407, 213420, 241876, 256104, 302345, 320130, 362814, 426840, 483752, 544221, 604690, 640260, 725628, 907035, 1088442, 1209380, 1280520, 1451256, 1814070, 2176884, 2418760, 2721105, 3628140, 4353768, 5442210, 7256280, 10884420, 21768840]

約数ペア:

[(1, 21768840), (2, 10884420), (3, 7256280), (4, 5442210), (5, 4353768), (6, 3628140), (8, 2721105), (9, 2418760), (10, 2176884), (12, 1814070), (15, 1451256), (17, 1280520), (18, 1209380), (20, 1088442), (24, 907035), (30, 725628), (34, 640260), (36, 604690), (40, 544221), (45, 483752), (51, 426840), (60, 362814), (68, 320130), (72, 302345), (85, 256104), (90, 241876), (102, 213420), (120, 181407), (136, 160065), (153, 142280), (170, 128052), (180, 120938), (204, 106710), (255, 85368), (306, 71140), (340, 64026), (360, 60469), (408, 53355), (510, 42684), (612, 35570), (680, 32013), (765, 28456), (1020, 21342), (1224, 17785), (1530, 14228), (2040, 10671), (3060, 7114), (3557, 6120)]