About the Number

21756420

21756419 ← → 21756421

2進数表記:1010010111111101000000100

漢数字表記:二千百七十五万六千四百二十

素因数分解:

2 2 × 3 2 × 5 1 × 7 1 × 31 1 × 557 1

素因数の和:610
約数の個数: 144
約数和(自身を含む): 77995008
約数和(自身を除く): 56238588

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 557, 558, 620, 630, 651, 868, 930, 1085, 1114, 1116, 1260, 1302, 1395, 1671, 1860, 1953, 2170, 2228, 2604, 2785, 2790, 3255, 3342, 3899, 3906, 4340, 5013, 5570, 5580, 6510, 6684, 7798, 7812, 8355, 9765, 10026, 11140, 11697, 13020, 15596, 16710, 17267, 19495, 19530, 20052, 23394, 25065, 33420, 34534, 35091, 38990, 39060, 46788, 50130, 51801, 58485, 69068, 70182, 77980, 86335, 100260, 103602, 116970, 120869, 140364, 155403, 172670, 175455, 207204, 233940, 241738, 259005, 310806, 345340, 350910, 362607, 483476, 518010, 604345, 621612, 701820, 725214, 777015, 1036020, 1087821, 1208690, 1450428, 1554030, 1813035, 2175642, 2417380, 3108060, 3626070, 4351284, 5439105, 7252140, 10878210, 21756420]

約数ペア:
[(1, 21756420), (2, 10878210), (3, 7252140), (4, 5439105), (5, 4351284), (6, 3626070), (7, 3108060), (9, 2417380), (10, 2175642), (12, 1813035), (14, 1554030), (15, 1450428), (18, 1208690), (20, 1087821), (21, 1036020), (28, 777015), (30, 725214), (31, 701820), (35, 621612), (36, 604345), (42, 518010), (45, 483476), (60, 362607), (62, 350910), (63, 345340), (70, 310806), (84, 259005), (90, 241738), (93, 233940), (105, 207204), (124, 175455), (126, 172670), (140, 155403), (155, 140364), (180, 120869), (186, 116970), (210, 103602), (217, 100260), (252, 86335), (279, 77980), (310, 70182), (315, 69068), (372, 58485), (420, 51801), (434, 50130), (465, 46788), (557, 39060), (558, 38990), (620, 35091), (630, 34534), (651, 33420), (868, 25065), (930, 23394), (1085, 20052), (1114, 19530), (1116, 19495), (1260, 17267), (1302, 16710), (1395, 15596), (1671, 13020), (1860, 11697), (1953, 11140), (2170, 10026), (2228, 9765), (2604, 8355), (2785, 7812), (2790, 7798), (3255, 6684), (3342, 6510), (3899, 5580), (3906, 5570), (4340, 5013)]

このpageの処理時間: 0.00466465950012207 seconds