21631950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:978

約数の個数: 72

約数和(自身を含む): 59279688

約数和(自身を除く): 37647738

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 53, 75, 90, 106, 150, 159, 225, 265, 318, 450, 477, 530, 795, 907, 954, 1325, 1590, 1814, 2385, 2650, 2721, 3975, 4535, 4770, 5442, 7950, 8163, 9070, 11925, 13605, 16326, 22675, 23850, 27210, 40815, 45350, 48071, 68025, 81630, 96142, 136050, 144213, 204075, 240355, 288426, 408150, 432639, 480710, 721065, 865278, 1201775, 1442130, 2163195, 2403550, 3605325, 4326390, 7210650, 10815975, 21631950]

約数ペア:

[(1, 21631950), (2, 10815975), (3, 7210650), (5, 4326390), (6, 3605325), (9, 2403550), (10, 2163195), (15, 1442130), (18, 1201775), (25, 865278), (30, 721065), (45, 480710), (50, 432639), (53, 408150), (75, 288426), (90, 240355), (106, 204075), (150, 144213), (159, 136050), (225, 96142), (265, 81630), (318, 68025), (450, 48071), (477, 45350), (530, 40815), (795, 27210), (907, 23850), (954, 22675), (1325, 16326), (1590, 13605), (1814, 11925), (2385, 9070), (2650, 8163), (2721, 7950), (3975, 5442), (4535, 4770)]